workflow update test, ignore

Author: fabiobaltieri

.github/workflows/hello_world_multiplatform.yaml

@@ -55,7 +55,7 @@ jobs:
           python-version: 3.11
 
       - name: Setup Zephyr project
-        uses: zephyrproject-rtos/action-zephyr-setup@v1
+        uses: zephyrproject-rtos/action-zephyr-setup@refs/pull/21/head
         with:
           app-path: zephyr
           toolchains: all